If you are looking for the most excellent high performance Audio DC Blocker?
That can handle over 24vdc of DC Offset and over 80 Amps of ripple current, making this the most powerful Audio DC Blocker in the world.
Two of these Supreme DC Blockers are been used by LuxAudio.com.au in the High End Demo rooms, 
The power transfer for the Supreme Audio DC Blocker is second to none, you can power your entire sound system from one of these Blockers and experience no sound stage compression at all!
The Supreme Audio DC Blocker is designed to power the most powerful power amplifiers made, without any compromise at all
So if you have some of the larger Gryphon, Mark Levenson, Karan Acoustics, or Boulder  power amplifiers as an example and are experiencing high levels of DC Offset on the AC Mains, then this is the ultimate Audio DC Blocker for your high end sound system.  

It will not matter how large your power amplifier power transformers are, this Supreme Audio DC Blocker will handle them with ease!.

Holton Supreme DC Blocker One Specifications:

Voltage AC Rating: AC mains voltage from 110VAC up to 300VAC 50/60 HZ

Current AC Rating: 80 Amps Continuous

544,000uf Total DC Blocking Power

Power Rating at 240VAC: up to 19 KVA continuous

Dimensions: 410mm x 300mm x 170mm

Weight: 14kg

The Holton Supreme DC Blocker One can be supplied with Multi Outlets,  UK BS1363 13 Amp 230VAC Mains Outlet or USA - NEMA 5-15 Socket 125VAC AC Mains Outlet and the European “Schuko plug”, Or IEC Outlet Sockets.